MySQL trả về kết quả là trống rỗng (vd. không có hàng nào). (Truy vấn cần 0,0003 giây.)
SELECT * FROM `performance_timers`
|
TIMER_NAME
Time name, used in the setup_timers table. |
TIMER_FREQUENCY
Number of timer units per second. Dependent on the… |
TIMER_RESOLUTION
Number of timer units by which timed values increa… |
TIMER_OVERHEAD
Minimum timer overhead, determined during initiali… |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|